package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.dto.SetmealDTO;
import com.sky.dto.SetmealPageQueryDTO;
import com.sky.entity.Setmeal;
import com.sky.entity.SetmealDish;
import com.sky.mapper.SetmealMapper;
import com.sky.result.PageResult;
import com.sky.service.SetmealService;
import com.sky.vo.DishItemVO;
import com.sky.vo.SetmealVO;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.ArrayList;
import java.util.List;
import java.util.Set;

/**
 * 套餐管理业务层
 */
@Service
public class SetmealServiceImpl implements SetmealService {
    @Autowired
    private SetmealMapper setmealMapper;
    @Override
    @Transactional
    public void saveWithDish(SetmealDTO setmealDTO) {
        Setmeal setmeal = new Setmeal();
        BeanUtils.copyProperties(setmealDTO,setmeal);
        setmealMapper.insertSetmeal(setmeal);
        Long setmealId = setmeal.getId();
        List<SetmealDish> setmealDishes = setmealDTO.getSetmealDishes();
        for (SetmealDish setmealDish : setmealDishes) {
            setmealDish.setSetmealId(setmealId);
            setmealMapper.insertSetmealDish(setmealDish);
        }
    }

    @Override
    public PageResult pageQuery(SetmealPageQueryDTO setmealPageQueryDTO) {
        PageHelper.startPage(setmealPageQueryDTO.getPage(),setmealPageQueryDTO.getPageSize());
        Page<SetmealVO> setmealPage = setmealMapper.pageQuery(setmealPageQueryDTO);
        return new PageResult(setmealPage.getTotal(), setmealPage.getResult());
    }

    @Override
    public SetmealVO getByIdWithDish(Long id) {
        Setmeal setmeal = setmealMapper.selectSetmealById(id);
        SetmealVO setmealVO = new SetmealVO();
        BeanUtils.copyProperties(setmeal,setmealVO);
        List<Long> ids = new ArrayList<>();
        ids.add(id);
        List<Long> dishIds = setmealMapper.getDishIdsBySetmealId(ids);
        List<SetmealDish> setmealDishes = setmealMapper.selectSetmealDishByDishIds(dishIds);
        setmealVO.setSetmealDishes(setmealDishes);
        return setmealVO;
    }

    @Override
    @Transactional
    public void deleteWithDish(List<Long> ids) {
        setmealMapper.deleteSetmeal(ids);
        List<Long> dishIds = setmealMapper.getDishIdsBySetmealId(ids);
        setmealMapper.deleteSetmealDish(dishIds);

    }

    @Override
    public SetmealVO updateWithDish(SetmealDTO setmealDTO) {
        SetmealVO setmealVO = new SetmealVO();
        BeanUtils.copyProperties(setmealDTO,setmealVO);
        Setmeal setmeal = new Setmeal();
        BeanUtils.copyProperties(setmealDTO,setmeal);
        List<SetmealDish> setmealDishes = setmealDTO.getSetmealDishes();
        for (SetmealDish setmealDish : setmealDishes) {
            List<Long> dishIds = new ArrayList<>();
            dishIds.add(setmealDish.getDishId());
            setmealMapper.deleteSetmealDish(dishIds);
            setmealDish.setSetmealId(setmeal.getId());
            setmealMapper.insertSetmealDish(setmealDish);
        }
        return setmealVO;
    }

    @Override
    public void startOrStop(Integer status, Long id) {
        Setmeal setmeal = Setmeal.builder()
                                 .id(id)
                                 .status(status)
                                 .build();
        setmealMapper.update(setmeal);
    }
    /**
     * 条件查询
     * @param setmeal
     * @return
     */
    public List<Setmeal> list(Setmeal setmeal) {
        List<Setmeal> list = setmealMapper.list(setmeal);
        return list;
    }

    /**
     * 根据id查询菜品选项
     * @param id
     * @return
     */
    public List<DishItemVO> getDishItemById(Long id) {
        return setmealMapper.getDishItemBySetmealId(id);
    }
}
